Ladder Diagrams » History » Version 2
laforge, 03/03/2022 08:49 PM
1 | 1 | laforge | h1. Ladder Diagrams |
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2 | |||
3 | {{mscgen_link() |
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4 | msc { |
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5 | hscale=2; |
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6 | client [label="Client"], server [label="Server (main port)"], worker [label="Server (worker port)"], hlr [label="HLR (database)"]; |
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7 | |||; |
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8 | --- [label="Initial connection attempt from client to well-known server/port"]; |
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9 | |||; |
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10 | client => server [label="HELLO_REQ (user_id)"]; |
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11 | server <=> hlr [label="Obtain auth vectors"]; |
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12 | client <= server [label="AUTH_REQ (rand, autn)"]; |
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13 | client => server [label="AUTH_RESP (res)"]; |
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14 | server box server [label="Verify res == xres?"]; |
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15 | server => worker [label="Create worker socket"]; |
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16 | server note server [label="Server accepts client + redirects to worker IP+Port"]; |
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17 | client <= server [label="HELLO_ACK (worker IP:Port, token)"]; |
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18 | ...; |
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19 | client => worker [label="HELLO_REQ (user_id, token)"]; |
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20 | worker box worker [label="Verify user_id + token"]; |
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21 | client <= worker [label="HELLO_ACK"]; |
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22 | ...; |
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23 | client <=> worker [label="TDMoIP"]; |
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24 | 2 | laforge | ...; |
25 | --- [label="At any later point in time, whenever the server wants"]; |
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26 | worker <=> hlr [label="Obtain auth vectors"]; |
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27 | client <= worker [label="AUTH_REQ (rand, autn)"]; |
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28 | client => worker [label="AUTH_RESP (res)"]; |
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29 | worker box worker [label="Verify res == xres?"]; |
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30 | 1 | laforge | |
31 | } |
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32 | }} |